In that year, Charles Goodyear accidentally dropped rubber and sulfur on a hot stovetop, causing it to char like leather yet remain plastic and elastic.
The second section is studies on sulfur dioxide porous plastic optical fiber probe.
第二节为二氧化硫多孔塑料光纤传感探头的研究。
3
The influence of sulfur level on the properties of trans 1, 4 polyisoprene (TPI) after the transition from plastic polymer to elastic polymer was investigated.